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testsAndMisc/linux_configuration/docs/security-hardening/DOCS-02-language-choice.md
Krzysztof kuhy Rudnicki 49d82511c3 Adopt the four markdown namespaces and gate them 
Renames this repo's markdown onto README.md / CLAUDE*.md / DOCS*.md /
TODO*.md so a future session can tell a live task from a finished
record without reading the file to find out.

TODO files carry the literal "REMOVE ME AFTER FINISH" and are deleted
when the work lands. Enforced by the md-naming pre-commit hook and CI
workflow, both delegating to the shared gate in kuhyx/utils so this
repo's idea of a valid name cannot drift from every other repo's.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01A47aX5DJwmA3QFn3pkEWi7
2026-08-24 15:55:46 +02:00

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Part 2: Language Considerations

Shell (Bash) Limitations

Pros:

  • Native to the system, no dependencies
  • Direct access to systemd, chattr, filesystem
  • Fast for simple operations

Cons:

  • No persistent daemon capability (need systemd for that)
  • Race conditions in file operations
  • Complex state management is fragile
  • No proper event loop for window monitoring
  • Cannot easily monitor process list in real-time

Python Advantages for Certain Tasks

Where Python would be better:

  1. Process monitoring daemon - Watch for Steam/browsers in real-time with proper event loop
  2. Window management - Using python-xlib for proper X11 interaction
  3. Complex state machines - Like the screen locker
  4. Cross-repo integration - The screen_lock.py already shows good patterns

Recommendation

Component Keep Bash Move to Python Reason
hosts guard ✅ Simple file ops, systemd integration
shutdown schedule ✅ Systemd timers, config files
screen locker ✅ Already Complex UI, state machine
pacman wrapper ✅ Must intercept pacman
compulsive block ✅ Needs daemon for auto-close
music wrapper ✅ Needs real-time process monitoring

New Python Daemon Needed: A single "digital wellbeing daemon" that:

  1. Monitors running processes
  2. Auto-closes apps after timeout
  3. Enforces Steam/browser mutual exclusion
  4. Can be controlled via DBus